Rotary valve



FIG. 1 is a perspective view of a rotary valve showing our new design;

FIG. 2 is a front elevation of the rotary valve of FIG. 1;

FIG. 3 is a rear elevation of the rotary valve of FIG. 1;

FIG. 4 is a right side view of the rotary valve of FIG. 1;

FIG. 5 is a left side view of the rotary valve of FIG. 1;

FIG. 6 is a top plan view of the rotary valve of FIG. 1; and,

FIG. 7 is a bottom plan of the rotary valve of FIG. 1. 

CLAIM The ornamental design for a rotary valve, as shown and described. 